var app = new Vue({
    el : "#app",
    data : {
        foodList : [
            {
                name : "葱",
                price : 10,
                discount : .8 
            },
            {
                name : "姜",
                price : 8,
                discount : .6
            },
            {
                name : "蒜",
                price : 11
            }
        ]

    }
})